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authorJakub Kicinski <kuba@kernel.org>2021-11-26 13:26:29 -0800
committerJakub Kicinski <kuba@kernel.org>2021-11-26 13:45:19 -0800
commit93d5404e8988882bd33f6acc0d343c4db51eb8b4 (patch)
treedd08a576dab4d61fda56dd005c7b2d0001a04297 /block/bdev.c
parentaf22d0550705dcb4142362b232f972bfab486b89 (diff)
parentc5c17547b778975b3d83a73c8d84e8fb5ecf3ba5 (diff)
downloadlwn-93d5404e8988882bd33f6acc0d343c4db51eb8b4.tar.gz
lwn-93d5404e8988882bd33f6acc0d343c4db51eb8b4.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/net/ipa/ipa_main.c 8afc7e471ad3 ("net: ipa: separate disabling setup from modem stop") 76b5fbcd6b47 ("net: ipa: kill ipa_modem_init()") Duplicated include, drop one. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'block/bdev.c')
-rw-r--r--block/bdev.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/block/bdev.c b/block/bdev.c
index b4dab2fb6a74..b1d087e5e205 100644
--- a/block/bdev.c
+++ b/block/bdev.c
@@ -753,8 +753,7 @@ struct block_device *blkdev_get_no_open(dev_t dev)
if (!bdev)
return NULL;
- if ((bdev->bd_disk->flags & GENHD_FL_HIDDEN) ||
- !try_module_get(bdev->bd_disk->fops->owner)) {
+ if ((bdev->bd_disk->flags & GENHD_FL_HIDDEN)) {
put_device(&bdev->bd_device);
return NULL;
}
@@ -764,7 +763,6 @@ struct block_device *blkdev_get_no_open(dev_t dev)
void blkdev_put_no_open(struct block_device *bdev)
{
- module_put(bdev->bd_disk->fops->owner);
put_device(&bdev->bd_device);
}
@@ -820,12 +818,14 @@ struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode, void *holder)
ret = -ENXIO;
if (!disk_live(disk))
goto abort_claiming;
+ if (!try_module_get(disk->fops->owner))
+ goto abort_claiming;
if (bdev_is_partition(bdev))
ret = blkdev_get_part(bdev, mode);
else
ret = blkdev_get_whole(bdev, mode);
if (ret)
- goto abort_claiming;
+ goto put_module;
if (mode & FMODE_EXCL) {
bd_finish_claiming(bdev, holder);
@@ -847,7 +847,8 @@ struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode, void *holder)
if (unblock_events)
disk_unblock_events(disk);
return bdev;
-
+put_module:
+ module_put(disk->fops->owner);
abort_claiming:
if (mode & FMODE_EXCL)
bd_abort_claiming(bdev, holder);
@@ -956,6 +957,7 @@ void blkdev_put(struct block_device *bdev, fmode_t mode)
blkdev_put_whole(bdev, mode);
mutex_unlock(&disk->open_mutex);
+ module_put(disk->fops->owner);
blkdev_put_no_open(bdev);
}
EXPORT_SYMBOL(blkdev_put);